# Safety
**Source**: https://chemistry.tcd.ie/Study/current_students/postgraduate/current/Safety.php
**Parent**: https://chemistry.tcd.ie/Study/current_students/postgraduate/current/
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> # Safety
### School of Chemistry Safety Officer:
Peter Ó Briain
([peter.obriain@tcd.ie](mailto:peter.obriain@tcd.ie), 01 896 2832)
Information related to Health and Safety in the School can be found on the School's website at <http://chemistry.tcd.ie/safety/>. When ordering chemicals, a risk assessment sheet must be completed for each chemical and should accompany the order.
Working out-of-hours
Weekdays: 18.00 - 09.00\
Weekends: all day\
Rules: You MUST sign in and out when working out-of-hours.
Log books may be found at the entrance of the Old Chemistry Building and the reception desk in the SNIAM Building. A "buddy" system should be observed (i.e. never work alone in the laboratory).